CN108469393B - Cold and hot shock test equipment - Google Patents
Cold and hot shock test equipment Download PDFInfo
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- CN108469393B CN108469393B CN201810105785.7A CN201810105785A CN108469393B CN 108469393 B CN108469393 B CN 108469393B CN 201810105785 A CN201810105785 A CN 201810105785A CN 108469393 B CN108469393 B CN 108469393B
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- pipeline
- carrying cylinder
- cooling device
- opening
- heating device
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/60—Investigating resistance of materials, e.g. refractory materials, to rapid heat changes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0222—Temperature
Abstract
The invention discloses a cold and hot impact test device, which comprises: the heating device is connected with the cooling device through a pipeline, two ends of the pipeline respectively extend into the heating device and the cooling device, a valve body for controlling the on-off of the pipeline is arranged on the pipeline, a carrying cylinder is arranged in the pipeline in a sliding mode, and the carrying cylinder is connected with a conveying mechanism for driving the carrying cylinder to reciprocate back and forth so as to convey the carrying cylinder into the heating device or the cooling device; the cold and hot impact test equipment of above structure utilizes the pipeline transmission to place the objective housing of work piece, cuts off heating device and cooling device's intercommunication through the valve body, and cold and hot conversion process and impact recovery's time are shorter, and test equipment is small, with low costs, energy utilization efficiency is high, easy and simple to handle to the less work piece of volume that is experimental for cold and hot impact provides the test equipment that the cost performance is extremely high for needs.
Description
Technical Field
The invention relates to the technical field of test equipment, in particular to cold and hot impact test equipment.
Background
The cold and hot impact test equipment is suitable for industries such as electronic and electric appliance components, automatic components, communication components, automobile parts, metals, chemical materials, plastics and the like, national defense industry, aerospace, military industry, PCB (printed circuit board) substrates, electronic chip ICs (integrated circuit), semiconductor ceramics and physical changes of high polymer materials, tests chemical changes or physical damages of the materials to high and low temperature repeated resisting force and products generated by expansion and contraction, and can detect the chemical changes or physical damages of samples caused by expansion and contraction in the shortest time through the tolerance degree under the continuous environment of extremely high temperature and extremely low temperature in the twinkling of an eye, so that the safety performance of the products can be tested, the quality of the products can be confirmed, the components from precise ICs to heavy machinery need to be used for testing the products, and the cold and hot impact test equipment is a test box essential for product testing in various fields. At present, cold and hot impact test equipment used in the market is complex in structure, large in size, difficult to operate and high in equipment cost, and is not suitable for test work of some small parts.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the cold and hot impact test equipment which is small in size, simple and convenient to operate and high in test accuracy.
The technical scheme adopted by the invention for solving the technical problems is as follows:
a thermal shock test apparatus comprising: the heating device is connected with the cooling device through a pipeline, two ends of the pipeline respectively extend into the heating device and the cooling device, a valve body for controlling the on-off of the pipeline is arranged on the pipeline, a carrying cylinder is arranged in the pipeline in a sliding mode, and the carrying cylinder is connected with a conveying mechanism for driving the carrying cylinder to reciprocate back and forth so as to convey the carrying cylinder into the heating device or the cooling device.
The pipeline is provided with a heating section extending to the interior of the heating device, and the upper part of the heating section is provided with a first opening.
A plurality of first through holes are formed in the lower portion of the heating section.
The pipeline is provided with a cooling section extending to the inside of the cooling device, and the upper part of the cooling section is provided with a second opening.
And a plurality of second through holes are formed in the lower part of the cooling section.
The heating device is a constant-temperature oven, a feeding opening used for taking and placing the workpiece is formed in the constant-temperature oven, and an opening and closing door device is arranged on the feeding opening.
The opening and closing door device comprises a door plate which is hinged on the constant-temperature oven and matched with the putting-in opening, and the door plate is connected with a first linear driver through a line section.
The transport mechanism includes a second linear drive coupled to the carrier.
The object carrying cylinder is made of magnetic materials, and an electromagnet is arranged on the second linear driver.
And a plurality of third through holes penetrating through the object carrying cylinder are uniformly formed in the surface of the object carrying cylinder.
The invention has the beneficial effects that: the cold and hot impact test equipment of above structure utilizes the pipeline transmission to place the objective housing of work piece, cuts off heating device and cooling device's intercommunication through the valve body, and cold and hot conversion process and impact recovery's time are shorter, and test equipment is small, with low costs, energy utilization efficiency is high, easy and simple to handle to the less work piece of volume that is experimental for cold and hot impact provides the test equipment that the cost performance is extremely high for needs.
Drawings
The invention is further illustrated with reference to the following figures and examples:
fig. 1 is a schematic structural view of the present invention.
Detailed Description
Referring to fig. 1, as shown, a cold thermal shock test apparatus of the present invention includes: the heating device 1 and the cooling device 2 are connected through a pipeline 3, two ends of the pipeline 3 respectively extend into the heating device 1 and the cooling device 2, a valve body 4 for controlling the on-off of the pipeline 3 is arranged on the pipeline 3, in the embodiment, the valve body 4 is an electric ball valve, a carrying cylinder 5 for placing a workpiece subjected to a cold and hot impact test is arranged in the pipeline 3 in a sliding mode, and the carrying cylinder 5 is connected with a conveying mechanism 6 for driving the carrying cylinder to reciprocate back and forth so as to convey the carrying cylinder into the heating device 1 or the cooling device 2. The cold and hot impact test equipment of above structure utilizes 3 transmissions of pipeline to place the objective tube 5 of work piece, cuts off heating device 1 and cooling device 2's intercommunication through valve body 4, and cold and hot conversion process and impact recovery's time are shorter, and test equipment is small, with low costs, energy utilization efficiency is high, easy and simple to handle to the less work piece of volume that does cold and hot impact test for needs provides a very high test equipment of cost performance.
Wherein, the pipeline 3 has a heating section 31 extending to the inside of the heating device 1, and the upper part of the heating section 31 is provided with a first opening, in this embodiment, the first opening is formed by cutting off the upper half part of the pipeline of the part through a cutter, so that the upper surface of the objective lens 5 can directly perform heat exchange with the air inside the heating device 1. Preferably, the lower part of the heating section is provided with a plurality of first through holes, so that the lower surface of the object carrying cylinder 5 can still exchange heat with the air inside the heating device 1.
The pipe 3 has a cooling section 32 extending into the cooling device 2, and the upper part of the cooling section 32 is provided with a second opening, in this embodiment, the second opening is formed by cutting off the upper half part of the pipe with a cutter, so that the upper surface of the carrier 5 can directly exchange heat with the air inside the cooling device 2, and the outer edge of the cooling section 32 is provided with a baffle plate to prevent the carrier 5 from sliding out of the pipe 3. Preferably, the lower part of the cooling section is provided with a plurality of second through holes, so that the lower surface of the object carrying cylinder 5 can still exchange heat with the air inside the cooling device 2.
In the invention, the heating device 1 is a constant temperature oven, the cooling device 2 is a refrigerator, a feeding opening for taking and placing workpieces is arranged on the constant temperature oven, and an opening and closing device 7 is arranged on the feeding opening. In this embodiment, the opening and closing device includes a door panel 71 hinged to the thermostatic oven and matching with the input port, the door panel 71 is connected to a first linear actuator 73 through a line 72, where the line 72 is a steel wire rope, and the first linear actuator 73 is an air cylinder.
The conveying mechanism 6 includes a second linear actuator 61 connected to the object carrying canister 5, in this embodiment, the second linear actuator 61 is an air cylinder, the object carrying canister 5 is made of magnetic material, and an electromagnet 62 is disposed on the second linear actuator 61. In other embodiments, the conveying mechanism 6 may also be a combination of an air cylinder and a pneumatic clamping jaw, the pneumatic clamping jaw clamps the object carrier 5, and the air cylinder drives the object carrier 5 to reciprocate back and forth.
The cold and hot impact test device comprises a controller 8, and the working process of the test device is as follows: firstly, the door opening and closing device 7 opens the door plate 71, a workpiece is placed in the object carrying cylinder 5, then the door plate 71 is closed, the electromagnet 62 is electrified and adsorbs the object carrying cylinder 5, the valve body 4 is opened to enable the interior of the pipeline 3 to be communicated, the controller 8 drives the second linear driver 62 to drive the object carrying cylinder 5 to enter the cooling device 2, the electromagnet 62 is powered off, the second linear driver 62 is reset and leaves the object carrying cylinder 5 in the cooling section 32, and meanwhile, the valve 4 is closed, so that the cooling process is completed; after the cooling time is up, the valve 4 is opened, the second linear actuator 62 moves to the cooling section 32, the electromagnet 62 is electrified to adsorb the carrier 5 and then convey the carrier into the heating section 31, the electromagnet 62 is powered off, the second linear actuator 62 is reset to leave the carrier 5 in the heating section 31, and meanwhile, the valve 4 is closed, so that the heating process is completed. The cold and hot impact test can be realized by repeating the working steps.
In order to further improve the heat exchange rate between the workpiece and the heating device or the cooling device, a plurality of third through holes penetrating through the surface of the object carrier 5 are uniformly arranged on the surface of the object carrier.
While the preferred embodiments of the present invention have been illustrated and described, it will be appreciated that the invention may be embodied otherwise than as specifically described and that equivalent alterations and modifications, which may be effected thereto by those skilled in the art without departing from the spirit of the invention, are deemed to be within the scope and spirit of the invention.
Claims (5)
1. A thermal shock test apparatus comprising: the heating device is a constant-temperature oven, the cooling device is a refrigerator, the heating device is connected with the cooling device through a pipeline, two ends of the pipeline respectively extend into the heating device and the cooling device, a valve body for controlling the on-off of the pipeline is arranged on the pipeline, a carrying cylinder is arranged in the pipeline in a sliding mode, and the carrying cylinder is connected with a conveying mechanism for driving the carrying cylinder to reciprocate back and forth so as to convey the carrying cylinder into the heating device or the cooling device;
the pipeline is provided with a heating section extending to the inside of the heating device, the upper part of the heating section is provided with a first opening, and the first opening is formed by cutting off the upper half part of the pipeline of the part through a cutter, so that the upper surface of the object carrying cylinder can directly exchange heat with the air in the heating device; the lower part of the heating section is provided with a plurality of first through holes so that the lower surface of the object carrying cylinder can still exchange heat with the air in the cooling device;
the pipeline is provided with a cooling section extending into the cooling device, the upper part of the cooling section is provided with a second opening, the second opening is formed by cutting off the upper half part of the pipeline of the part through a cutter, so that the upper surface of the object carrying cylinder can directly exchange heat with the air in the cooling device, and the lower part of the cooling section is provided with a plurality of second through holes, so that the lower surface of the object carrying cylinder can still exchange heat with the air in the cooling device;
and a plurality of third through holes penetrating through the object carrying cylinder are uniformly formed in the surface of the object carrying cylinder.
2. A thermal shock test apparatus according to claim 1, wherein:
the constant-temperature oven is provided with a feeding opening for taking and placing workpieces, and the feeding opening is provided with an opening and closing door device.
3. A thermal shock test apparatus according to claim 2, wherein:
the opening and closing door device comprises a door plate which is hinged on the constant-temperature oven and matched with the putting-in opening, and the door plate is connected with a first linear driver through a line section.
4. A thermal shock test apparatus according to claim 1, wherein:
the transport mechanism includes a second linear drive coupled to the carrier.
5. A thermal shock test apparatus according to claim 4, wherein:
the object carrying cylinder is made of magnetic materials, and an electromagnet is arranged on the second linear driver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810105785.7A CN108469393B (en) | 2018-02-02 | 2018-02-02 | Cold and hot shock test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810105785.7A CN108469393B (en) | 2018-02-02 | 2018-02-02 | Cold and hot shock test equipment |
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| Publication Number | Publication Date |
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| CN108469393A CN108469393A (en) | 2018-08-31 |
| CN108469393B true CN108469393B (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810105785.7A Active CN108469393B (en) | 2018-02-02 | 2018-02-02 | Cold and hot shock test equipment |
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| CN (1) | CN108469393B (en) |
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| CN108469393A (en) | 2018-08-31 |
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